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习题练习:Form and Function B.5 Cell Specialization



 作者: admin   总分: 18分  得分: _____________

答题人: 匿名未登录  开始时间: 24年01月03日 22:49  切换到: 整卷模式

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1#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which of the following statements about the effect of surface area and vobi,,2beyf,dv lume on the cel,2,fbedy ibv, l’s processes is false?

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2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which statement best describes stem cells?j k*9 zinqwfkl+on2.)

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which is a correct description of the cell type adapted foo)c8dxvk7*n r r gas exchange in the lungsx8dc*7 vnk )ro?

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4#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which of the following explains the limitation+4 i)pgur:; m illq9ffs on cell size?


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5#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is this cell's most likely primarbns19 mcl p7r*l6jd1 oy function, and where could it be located in a mammald 7 j1 lmnc9b*osp16rl?



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6#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which of the following charub5u gc zwhe) s;rx018acteristics of type I pneumocytes contribute to increasing the rate of gas exchangsh1r)0euw 8ucb ;gz5x e?
I.
Cells are flattened
II.
Secretion of a surfactant
III.
Cover less than 10% of the alveolar surface

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7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A patient receives a bone marrow transplant from a 36 year old. One on0/ mo .qrl de9nkf(*of the functions of these cells is to produce red and white blood cells. What type of sno fon/lr(k d0.e*9q mtem cells has the patient received?

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Based on the Venn diagram, which identifies cardiac muscle cells and stk lowf 1x+ip25riated muscle fibres? o xl+k1i5f2p w


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9#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
Below is a diagram of a motor neuron. Neur9jopsck*dl8 0ons are the longest cells in the human blk9o*dp j8cs0ody.
1.Explain the factors that limit cell size in humans.
2.Explain how life functions are performed by Paramecium.
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10#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
Premature babies sometimes suffer fromlp)ldywa+8e0x :5oehi n c8 tw,8tk h/ infant respiratory distress syndrome, which could be caused by a lack of sufficient surfactant in the pulmonary alveoli. The diagram below shows two different alveoli st8hptnt+hid0 o8,/aexl 58ek c:)ww y lructures.


1.Describe one feature of the surfactant.

2.Suggest a treatment for infant respiratory distress syndrome.

3.Draw a labelled diagram of the structures in an alveolus that are important for gas exchange.
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11#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which of the following is a ruexc+wpgup9l7e 9/ o*eason that embryonic stem cells are not used in the treatment of lgp xop9u7ue l*w9+ce/eukaemia?

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The table shows the diameters of red blood cellsyp ;jx:i;t4* 3ug xjts from different organisms. Which red bloodpsgu tjy;:4x*t; jix3 cell will have the highest surface area to volume ratio?

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13#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
1.Explain how the shape of erythrocytes and cells lining the proximal g7n,dl q3v1ureq6a( odiwr/-convoluted tubule make these cewugr176ovqndd a 3/-ir,( qlells more adapted to the functions they perform.

2.Compare and contrast the structure of striated muscle cells and cardiac muscle fibres.

3.Explain how the structure of egg and sperm cells are adapted to their functions.
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14#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which statements about embryonic stem ceqe3( zql2oe ue/na6)if ak01ills and specialised cells is/are not true q0i zoeqleaa1/n)e263fu(ik?

I. Embryonic stem cells have higher levels of DNA methylation than differentiated cells
II. Specialised cells are more differentiated than embryonic stem cells
III. Most specialised cells and embryonic stem cells both contain the entire genome of an organism

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In humans, which of the following is the correct order from smallest tf 5:dtkfnmr -ha/t j0(o largest?dmt /-k0f tj:anr fh5(

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16#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which row in the following table give fhdd7fw 7p)5kqpc9 1n)elav)s the correct disadvantages of the different stem cell sources for therapeutic uvk )))aechpdw9ln p5d7f1fq7ses?


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17#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
1.Describe how the use of stem cells may be used to tr w6hf(5 usul4-dm i;iteat type I diabetes in the future. t iu4h5;i 6ulwsf(dm-

2.Explain the factors that limit cell size in humans.

3.Explain how red blood cells and striated muscle fibres are adapted to their function.
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18#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
Below are diagrams of spec0y33w+ q.kguxlqv (yr ialised cells (not to scale).

1.Put these cells in order of size, from the smallest to the largest.

2.Compare and contrast totipotent, pluripotent and multipotent stem cells.
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